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Artyom0805 [142]
3 years ago
11

The sum of two numbers is 19 and there difference is 7 what are the two numbers

Mathematics
2 answers:
Zielflug [23.3K]3 years ago
5 0

Answer:

The two numbers are 13 and 6.

Step-by-step explanation:

x+y=19

x-y=7

-----------

2x=26

x=26/2

x=13

13+y=19

y=19-13

y=6

x=13, y=6.

Rzqust [24]3 years ago
4 0

Answer:14 and 5

Step-by-step explanation:

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Step-by-step explanation:

If y was directly proportional to x, the graph of y against x would pass through the origin (O).

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7 0
2 years ago
Each school bus going on the field trip holds 36 students and for adults there are six Fields buses on the field trip how many p
BartSMP [9]

Answer:

240 people

Step-by-step explanation:

According to the given data,

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3 years ago
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3 0
2 years ago
If x - y =5, x + y =1, then x^2 - y^2= ??<br><br>+explanation please and thanks​
Sveta_85 [38]
<h3>Answer:  5</h3>

=================================

Explanation:

Apply the difference of squares rule

x^2 - y^2 = (x-y)(x+y)

x^2 - y^2 = (5)(1)

x^2 - y^2 = 5

----------

Alternatively, you can solve the system

\begin{cases}x-y=5\\x+y = 1\end{cases}

for x and y to get (x,y) = (3,-2).

Then compute x^2-y^2 = 3^2-(-2)^2 = 9-4 = 5

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